Police in Miami Beach are facing scrutiny after officers gunned down a man at close range on Saturday morning. A bystander captured the incident in a graphic video, which quickly went viral after it was uploaded to Instagram.

The footage shows a shirtless man wearing blue jeans walk toward a stationary police cruiser and three police officers, who all have their weapons raised. The man momentarily puts his hands on the cruiser before one of the officers opens fire. The victim immediately falls to the ground, clutching his chest.......